Skeletal System and Connective Tissue (5/14)

Question 1

Connective tissue

Answer 1

bone, blood, fat tissue, cartilage, ligaments, tendons

Question 2

Cartilage

Answer 2

flexible, rubber-like tissue. no nerves or blood vessels

Question 3

What is cartilage made of?

Answer 3

chondrocytes, cells that make up protein

most abundant

Question 4

Ligaments and tendons

Answer 4

ligaments- bone to bone

tendon- muscle to bone

Question 5

Axial

Answer 5

vertical axis: CNS

skull and vertebral column

Question 6

Skull

Answer 6

22 bones

Question 7

Spine

Answer 7

24 vertebrae

Question 8

Rib

Answer 8

12 bones

Question 9

Appendicular skeleton

Answer 9

Mainly concerned with mobility
pectoral girdle
pelvic girdle 
upper extremity
lower extremity

Question 10

Long bones

Answer 10

ends are called epiphysis

in between is the growth plate and the middle is the diaphysis

Question 11

joints

Answer 11

pivot, saddle, hinge, plane, condyloid, ball and socket

Question 12

synolvial

Answer 12

freely moveable joints

Question 13

Fibrous joints

Answer 13

holds two bones together with fibrous connective tissue

Question 14

Cartiaginous

Answer 14

made of cartilage

EX) vertebrae of spine

Question 14

Cartiaginous

Answer 14

made of cartilage

EX) vertebrae of spine

Question 15

Osteoblasts

Answer 15

create new bone

Question 16

Osteroclasts

Answer 16

break down bone
“chew up”
incorporate calcium into bone when calcium levels are low in bone

Question 17

Osteocyte

Answer 17

most common

“retired osteoblasts”

Question 18

Hormones

Answer 18

PTH
Calcitriol- derivative of vitamin D
Calcitonin- decrease blood calcium levels, secreted by thyroid

Question 19

Compact bone

Answer 19

hard and dense
structural support
-Osteon (Haversian system)

Question 20

Spongy bone

Answer 20

porous, less dense

Question 21

Bone marrow

Answer 21

creates all of our blood cells
red- red and white blood cells
yellow- adipocytes (storage for fat tissue)